erger'; 'linux-a...@vger.kernel.org';
'linux-kernel@vger.kernel.org'; 'linux-arm-ker...@lists.infradead.org'
Subject: Re: A bug about system call on ARM
On Mon, Jun 03, 2013 at 06:25:26AM +0100, Wang, Yalin wrote:
> Hi Will,
>
> I have a question about
On Tue, Jun 04, 2013 at 10:30:04AM +0100, Wang, Yalin wrote:
> Hi Will,
>
> Thanks for your reply,
> I see your meaning ,
> But it seems my apply for joining into 'linux-arm-ker...@lists.infradead.org'
> Is not approved ,
> How to join in this mail-list ?
There's a mailman frontend here:
htt
t: Tuesday, June 04, 2013 4:49 PM
To: Wang, Yalin
Cc: 'richard -rw- weinberger'; 'linux-a...@vger.kernel.org';
'linux-kernel@vger.kernel.org'; 'linux-arm-ker...@lists.infradead.org'
Subject: Re: A bug about system call on ARM
On Tue, Jun 04, 2013 at 06:33
On Tue, Jun 04, 2013 at 06:33:20AM +0100, Wang, Yalin wrote:
> Hi Will,
Hello,
> Could I know what's your git branch is mainly used for ?
>
> https://git.kernel.org/cgit/linux/kernel/git/will/linux.git
>
>
> I mean if the branch is used for ARM arch maintenance ?
I send most of my patches
Original Message-
From: Will Deacon [mailto:will.dea...@arm.com]
Sent: Monday, June 03, 2013 5:54 PM
To: Wang, Yalin
Cc: 'richard -rw- weinberger'; 'linux-a...@vger.kernel.org';
'linux-kernel@vger.kernel.org'; 'linux-arm-ker...@lists.infradead.org'
Subj
On Mon, Jun 03, 2013 at 11:45:34AM +0100, Russell King - ARM Linux wrote:
> On Mon, Jun 03, 2013 at 11:27:23AM +0100, Will Deacon wrote:
> > On Mon, Jun 03, 2013 at 11:18:09AM +0100, Russell King - ARM Linux wrote:
> > > On Thu, May 30, 2013 at 12:41:12PM +0100, Will Deacon wrote:
> > > > +#if defi
On Mon, Jun 03, 2013 at 11:27:23AM +0100, Will Deacon wrote:
> Hi Russell,
>
> On Mon, Jun 03, 2013 at 11:18:09AM +0100, Russell King - ARM Linux wrote:
> > On Thu, May 30, 2013 at 12:41:12PM +0100, Will Deacon wrote:
> > > +#if defined(CONFIG_OABI_COMPAT) || !defined(CONFIG_AEABI)
> > > + /*
> >
Hi Russell,
On Mon, Jun 03, 2013 at 11:18:09AM +0100, Russell King - ARM Linux wrote:
> On Thu, May 30, 2013 at 12:41:12PM +0100, Will Deacon wrote:
> > +#if defined(CONFIG_OABI_COMPAT) || !defined(CONFIG_AEABI)
> > + /*
> > +* We may have faulted trying to load the SWI instruction due to
>
On Thu, May 30, 2013 at 12:41:12PM +0100, Will Deacon wrote:
> +#if defined(CONFIG_OABI_COMPAT) || !defined(CONFIG_AEABI)
> + /*
> + * We may have faulted trying to load the SWI instruction due to
> + * concurrent page aging on another CPU. In this case, return
> + * back to the
l.dea...@arm.com]
Sent: Monday, June 03, 2013 5:54 PM
To: Wang, Yalin
Cc: 'richard -rw- weinberger'; 'linux-a...@vger.kernel.org';
'linux-kernel@vger.kernel.org'; 'linux-arm-ker...@lists.infradead.org'
Subject: Re: A bug about system call on ARM
On Mon, Jun 03
On Mon, Jun 03, 2013 at 06:25:26AM +0100, Wang, Yalin wrote:
> Hi Will,
>
> I have a question about this patch .
>
> If the user space is thumb mode,
> The PC should be rewind by 2 bytes,
> So the fix_up code should be
>
> Sub lr, lr, #2 .
>
>
> Am I right ?
No, because we don't have OABI-c
;Will Deacon'
Cc: 'richard -rw- weinberger'; 'linux-a...@vger.kernel.org';
'linux-kernel@vger.kernel.org'; 'linux-arm-ker...@lists.infradead.org'
Subject: RE: A bug about system call on ARM
Hi Will,
I see,
I will make one more test .
Thanks for you
On Fri, May 31, 2013 at 05:48:56PM +0100, Nicolas Pitre wrote:
> On Fri, 31 May 2013, Will Deacon wrote:
>
> > Hard to tell without context. You can take a look at my git tree if you
> > like (I fixed it up based on Nico's comment):
> >
> >
> > https://git.kernel.org/cgit/linux/kernel/git/will
On Fri, 31 May 2013, Will Deacon wrote:
> Hard to tell without context. You can take a look at my git tree if you
> like (I fixed it up based on Nico's comment):
>
>
> https://git.kernel.org/cgit/linux/kernel/git/will/linux.git/commit/?h=misc-patches
If you like, you may add "Reviewed-by: Nic
ux-kernel@vger.kernel.org'; 'linux-arm-ker...@lists.infradead.org'
Subject: Re: A bug about system call on ARM
On Fri, May 31, 2013 at 12:02:49PM +0100, Wang, Yalin wrote:
> Hi Will,
>
> I have merge your code ,
> But there is a different ,
>
> +
> + c
On Fri, May 31, 2013 at 12:02:49PM +0100, Wang, Yalin wrote:
> Hi Will,
>
> I have merge your code ,
> But there is a different ,
>
> +
> + ct_user_exit
I thought you didn't have ct_user_exit? In which case, just delete this
line.
> +#ifdef CONFIG_ALIGNMENT_TRAP
> + ldr ip, __
vger.kernel.org';
'linux-kernel@vger.kernel.org'; 'linux-arm-ker...@lists.infradead.org'
Subject: Re: A bug about system call on ARM
On Fri, May 31, 2013 at 03:56:31AM +0100, Wang, Yalin wrote:
> Hi Will,
>
> Thanks for your patch ,
>
> But I found I don&#x
On Fri, May 31, 2013 at 03:56:31AM +0100, Wang, Yalin wrote:
> Hi Will,
>
> Thanks for your patch ,
>
> But I found I don't have ct_user_exit macro
> In my arch/arm/kernel/entry-common.S
>
> My kernel version is 3.4.0
Well things have moved on this since then (we're approaching 3.10, so yo
On Fri, May 31, 2013 at 04:54:56AM +0100, Nicolas Pitre wrote:
> On Thu, 30 May 2013, Will Deacon wrote:
>
> > On Thu, May 30, 2013 at 10:09:49AM +0100, Will Deacon wrote:
> > > On Thu, May 30, 2013 at 02:41:42AM +0100, Wang, Yalin wrote:
> > > > If you have some patch for this issue,
> > > > I ca
On Thu, 30 May 2013, Will Deacon wrote:
> On Thu, May 30, 2013 at 10:09:49AM +0100, Will Deacon wrote:
> > On Thu, May 30, 2013 at 02:41:42AM +0100, Wang, Yalin wrote:
> > > If you have some patch for this issue,
> > > I can do the test for it .
> >
> > I'll have a look at cooking something which
eacon [mailto:will.dea...@arm.com]
Sent: Thursday, May 30, 2013 7:41 PM
To: Wang, Yalin
Cc: 'richard -rw- weinberger'; 'linux-a...@vger.kernel.org';
'linux-kernel@vger.kernel.org'; 'linux-arm-ker...@lists.infradead.org'
Subject: Re: A bug about system call on ARM
On Thu,
Hello,
> Hi all,
>
> I am a new comer to this mailing list ,
> I am happy to join this community .
>
You should send this to arm ML.
Also I believe most of people don't enable CONFIG_OABI_COMPAT, that's why they
don't hit the bug.
Matthieu
> I have a bug reported from our android phones w
On Thu, May 30, 2013 at 10:09:49AM +0100, Will Deacon wrote:
> On Thu, May 30, 2013 at 02:41:42AM +0100, Wang, Yalin wrote:
> > If you have some patch for this issue,
> > I can do the test for it .
>
> I'll have a look at cooking something which uses an exception table entry
> to rewind the PC and
On Thu, May 30, 2013 at 02:41:42AM +0100, Wang, Yalin wrote:
> Hi Will,
Hello,
> Have you received the log files?
Yep, and you seem to be completely correct: CPU0 ages the page from which
CPU1 just executed a system call, so we explode trying to load the swi
instruction in order to retrieve the
!
-Original Message-
From: Wang, Yalin
Sent: Wednesday, May 29, 2013 5:51 PM
To: 'Will Deacon'; richard -rw- weinberger
Cc: linux-a...@vger.kernel.org; linux-kernel@vger.kernel.org;
linux-arm-ker...@lists.infradead.org
Subject: RE: A bug about system call on ARM
Hi
This is kerne
Hello,
On Wed, May 29, 2013 at 09:46:42AM +0100, richard -rw- weinberger wrote:
> On Wed, May 29, 2013 at 10:24 AM, Wang, Yalin
> wrote:
> > I have download the latest linux kernel code 3.9.4
> > And Compare with 3.4.0 kernel .
> >
> > It seems there is no change for this part ,
> > So it will
Wang, Yalin writes:
> Hi
>
> I have download the latest linux kernel code 3.9.4
> And Compare with 3.4.0 kernel .
>
> It seems there is no change for this part ,
> So it will still happen .
> Does anyone know who is responsible for arm arch part kernel code ?
A quick look in MAINTAI
t: Wednesday, May 29, 2013 3:35 PM
> To: Wang, Yalin
> Cc: linux-a...@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: A bug about system call on ARM
>
> Hi!
>
> On Wed, May 29, 2013 at 8:52 AM, Wang, Yalin
> wrote:
>> Hi all,
>>
>> I am a new co
: Wednesday, May 29, 2013 3:38 PM
To: 'richard -rw- weinberger'
Cc: linux-a...@vger.kernel.org; linux-kernel@vger.kernel.org
Subject: RE: A bug about system call on ARM
Hi Richard,
Thanks for your reply ,
I will make a check for this .
-Original Message-
From: richard -rw-
bug about system call on ARM
Hi!
On Wed, May 29, 2013 at 8:52 AM, Wang, Yalin wrote:
> Hi all,
>
> I am a new comer to this mailing list , I am happy to join this
> community .
>
> I have a bug reported from our android phones which is caused by the system
> call .
> I
Hi!
On Wed, May 29, 2013 at 8:52 AM, Wang, Yalin wrote:
> Hi all,
>
> I am a new comer to this mailing list ,
> I am happy to join this community .
>
> I have a bug reported from our android phones which is caused by the system
> call .
> It seems like kernel bugs from my view .
Is this a unm
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